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<a href="qtreetbl_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/******************************************************************************</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * qLibc</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Copyright (c) 2010-2023 Seungyoung Kim.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * All rights reserved.</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> * modification, are permitted provided that the following conditions are met:</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> *    this list of conditions and the following disclaimer.</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> *    this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> *    and/or other materials provided with the distribution.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> *</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment"> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="comment"> * POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment"></span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment">/**</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment"> * @file qtreetbl.c Tree Table container that implements the Left-Leaning</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"> * Red-Black BST algorithm.</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"> *</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"> * qtreetbl implements a binary search tree that allows efficient in-order</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment"> * traversal with O(log n) search time.</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment"> *</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment"> * The algorithm qtreetbl specifically implements is the left-leaning red-black</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment"> * tree algorithm invented in 2008 by Robert Sedgewick. A left-leaning red–black</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"> * tree is a type of self-balancing binary search tree and it is a variant of the</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment"> * red–black tree which was invented in 1972 by Rudolf Bayer.</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment"> *</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment"> * References:</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"> * - http://en.wikipedia.org/wiki/Left-leaning_red-black_tree</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"> * - https://sedgewick.io/wp-content/uploads/2022/03/2008-09LLRB.pdf</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"> *</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"> *                                (E)</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment"> *                   ______________|______________</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> *                  /                             \</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"> *                 (C)                           (R)</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"> *                /   \                         /   \</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment"> *            (A,B)   (D)                   (I,N)   (S,X)</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment"> *</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment"> *                   &lt;2-3-4 Tree Data Structure&gt;</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment"> *</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment"> *                                 E</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment"> *                   ______________|______________</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment"> *                  /                             \</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment"> *                 C                               R</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment"> *          _______|_______                 _______|_______</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="comment"> *         /               \               /               \</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment"> *        B                 D             N                 X</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment"> *      //                              //                //</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment"> *     A*                              I*                S*</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment"> *</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment"> *            &lt;Left-Leaning Red-Black Tree Data Structure&gt;</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment"> *     Nodes A, I and S are nodes with RED upper link. Others are BLACK</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment"> *</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment"> *</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment"> * The Red-Black BST algorithm has been one of the popular BST algorithms</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment"> * especially for in-memory operation. The Left-Leaning version of Red-Black</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment"> * especially improves performance and reduces overall complexity.</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment"> *</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment"> * Since it&#39;s relatively new algorithm, there&#39;s not many practically functional</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment"> * working codes yet other than proof of concept kinds. Here&#39;s one of fully</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment"> * functional codes and I, Seungyoung Kim, would like to dedicate this code to</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment"> * the genius inventor Robert Sedgewick and to all the great qLibc users.</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment"> *</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment"> * Additional features:</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment"> *   - iterator.</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment"> *   - find nearest key.</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment"> *   - iteration from given key.</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment"> *   - find min/max key.</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment"> *</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment"> *  qtreetbl_t *tbl = qtreetbl(QTREETBL_THREADSAFE);</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment"> *</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment"> *  tbl-&gt;put(tbl, &quot;KEY&quot;, &quot;DATA&quot;, 4);          // use putobj() for binary keys.</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment"> *  void *data = tbl-&gt;get(tbl, &quot;KEY&quot;, false); // use getobj() for binary keys.</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment"> *  tbl-&gt;remove(tbl, &quot;KEY&quot;);                  // use remove_by_key() for binary keys.</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment"> *</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment"> *  // iteration example</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment"> *  qtreetbl_obj_t obj;</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment"> *  memset((void*)&amp;obj, 0, sizeof(obj)); // must be cleared before call</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment"> *  tbl-&gt;lock(tbl);  // for thread safety</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment"> *  while (tbl-&gt;getnext(tbl, &amp;obj, false) == true) {</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment"> *    ...</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment"> *  }</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment"> *  tbl-&gt;unlock(tbl);</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment"> *</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment"> *  // find a nearest key then iterate from there</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment"> *  tbl-&gt;lock(tbl);</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment"> *  qtreetbl_obj_t obj = tbl-&gt;find_nearest(tbl, &quot;K&quot;, sizeof(&quot;K&quot;), false);</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="comment"> *  tbl-&gt;lock(tbl);  // for thread safety</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="comment"> *  while (tbl-&gt;getnext(tbl, &amp;obj, false) == true) {</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="comment"> *    ...</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="comment"> *  }</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="comment"> *  tbl-&gt;unlock(tbl);</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment"> *</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment"> *  // find minimum value using custom comparator</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment"> *  tbl-&gt;set_compare(tbl, my_compare_func); // default is byte comparator</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment"> *  void *min = tbl-&gt;find_min(tbl, &amp;keysize);</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment"> *</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment"> *  // get total number of objects in the table</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment"> *  size_t num = tbl-&gt;size(tbl);</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment"> *</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment"> *  tbl-&gt;free(tbl);</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment"> */</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="preprocessor">#include &lt;stdbool.h&gt;</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="preprocessor">#include &lt;stdarg.h&gt;</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="preprocessor">#include &lt;errno.h&gt;</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="preprocessor">#include &lt;assert.h&gt;</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="preprocessor">#include &quot;qinternal.h&quot;</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="preprocessor">#include &quot;utilities/qstring.h&quot;</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="preprocessor">#include &quot;containers/qtreetbl.h&quot;</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="preprocessor">#ifndef _DOXYGEN_SKIP</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span> </div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">/* internal functions */</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="preprocessor">#define LLRB234  </span><span class="comment">// comment to build 2-3 variant</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="keyword">static</span> <span class="keywordtype">bool</span> is_red(qtreetbl_obj_t *obj);</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="keyword">static</span> qtreetbl_obj_t *flip_color(qtreetbl_obj_t *obj);</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="keyword">static</span> qtreetbl_obj_t *rotate_left(qtreetbl_obj_t *obj);</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="keyword">static</span> qtreetbl_obj_t *rotate_right(qtreetbl_obj_t *obj);</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="keyword">static</span> qtreetbl_obj_t *move_red_left(qtreetbl_obj_t *obj);</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="keyword">static</span> qtreetbl_obj_t *move_red_right(qtreetbl_obj_t *obj);</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="keyword">static</span> qtreetbl_obj_t *find_min(qtreetbl_obj_t *obj);</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="keyword">static</span> qtreetbl_obj_t *find_max(qtreetbl_obj_t *obj);</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="keyword">static</span> qtreetbl_obj_t *remove_min(qtreetbl_obj_t *obj);</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="keyword">static</span> qtreetbl_obj_t *fix(qtreetbl_obj_t *obj);</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="keyword">static</span> qtreetbl_obj_t *find_obj(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">void</span> *name,</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>                                <span class="keywordtype">size_t</span> namesize);</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="keyword">static</span> qtreetbl_obj_t *new_obj(<span class="keywordtype">bool</span> red, <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>                               <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> datasize);</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="keyword">static</span> qtreetbl_obj_t *put_obj(qtreetbl_t *tbl, qtreetbl_obj_t *obj,</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>                               <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>                               <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> datasize);</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="keyword">static</span> qtreetbl_obj_t *remove_obj(qtreetbl_t *tbl, qtreetbl_obj_t *obj,</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>                                  <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize);</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="keyword">static</span> <span class="keywordtype">void</span> free_objs(qtreetbl_obj_t *obj);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="keyword">static</span> uint8_t reset_iterator(qtreetbl_t *tbl);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span> </div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="keyword">struct </span>branch_obj_s {</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>    <span class="keyword">struct </span>branch_obj_s *p;</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>    <span class="keywordtype">char</span> *s;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>};</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="keyword">static</span> <span class="keywordtype">void</span> print_branch(<span class="keyword">struct</span> branch_obj_s *branch, FILE *out);</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="keyword">static</span> <span class="keywordtype">void</span> print_node(qtreetbl_obj_t *obj, FILE *out, <span class="keyword">struct</span> branch_obj_s *prev,</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>                       <span class="keywordtype">bool</span> right);</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="comment"></span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="comment">/**</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="comment"> * Initialize a tree table.</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="comment"> *</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment"> * @param options    combination of initialization options.</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="comment"> *</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="comment"> * @return a pointer of malloced qtreetbl_t, otherwise returns NULL.</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span><span class="comment"> *</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span><span class="comment"> *  qtreetbl_t *tbl = qtreetbl(0);</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span><span class="comment"> *</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span><span class="comment"> *  Available options:</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="comment"> *   - QTREETBL_THREADSAFE - make it thread-safe.</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="comment"> */</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a0a5c039995463a94bb7066190a6653e1">  182</a></span>qtreetbl_t *<a class="code hl_function" href="qtreetbl_8c.html#a0a5c039995463a94bb7066190a6653e1">qtreetbl</a>(<span class="keywordtype">int</span> options) {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>    qtreetbl_t *tbl = (qtreetbl_t *) calloc(1, <span class="keyword">sizeof</span>(qtreetbl_t));</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>    <span class="keywordflow">if</span> (tbl == NULL)</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>        <span class="keywordflow">goto</span> malloc_failure;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>    <span class="comment">// handle options.</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>    <span class="keywordflow">if</span> (options &amp; QTREETBL_THREADSAFE) {</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>        Q_MUTEX_NEW(tbl-&gt;qmutex, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>        <span class="keywordflow">if</span> (tbl-&gt;qmutex == NULL)</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>            <span class="keywordflow">goto</span> malloc_failure;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>    }</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>    <span class="comment">// assign methods</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>    tbl-&gt;set_compare = <a class="code hl_function" href="qtreetbl_8c.html#af9e239f384bd9939c34361a45dd496a6">qtreetbl_set_compare</a>;</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>    tbl-&gt;put = <a class="code hl_function" href="qtreetbl_8c.html#a49e05111c8541c7155e352fb618cf170">qtreetbl_put</a>;</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>    tbl-&gt;putstr = <a class="code hl_function" href="qtreetbl_8c.html#a31e5908f6885033a58e354928e489b83">qtreetbl_putstr</a>;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>    tbl-&gt;putstrf = <a class="code hl_function" href="qtreetbl_8c.html#ac475383244c35814d0950f0fa0c6414e">qtreetbl_putstrf</a>;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>    tbl-&gt;putobj = <a class="code hl_function" href="qtreetbl_8c.html#a74b90269930ae1607271c187514ac5e5">qtreetbl_putobj</a>;</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>    tbl-&gt;get = <a class="code hl_function" href="qtreetbl_8c.html#a106198f0800d8892e404e0020da0d685">qtreetbl_get</a>;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>    tbl-&gt;getstr = <a class="code hl_function" href="qtreetbl_8c.html#a80185e2ca955ce2ccbdb43065110df4c">qtreetbl_getstr</a>;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>    tbl-&gt;getobj = <a class="code hl_function" href="qtreetbl_8c.html#a756340d5313f0ecf604c35326b3b6a5f">qtreetbl_getobj</a>;</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span>    tbl-&gt;remove = <a class="code hl_function" href="qtreetbl_8c.html#a3354408a36cb5d6fd724727dda04d1f3">qtreetbl_remove</a>;</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>    tbl-&gt;removeobj = <a class="code hl_function" href="qtreetbl_8c.html#ad3284afb03b64b8242687e33b87aaf0e">qtreetbl_removeobj</a>;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>    tbl-&gt;getnext = <a class="code hl_function" href="qtreetbl_8c.html#aeb32bf5a193a0b7276cff302d3fcd090">qtreetbl_getnext</a>;</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>    tbl-&gt;find_min = <a class="code hl_function" href="qtreetbl_8c.html#ac12b7b164b262053427eac34a2d1cbbc">qtreetbl_find_min</a>;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>    tbl-&gt;find_max = <a class="code hl_function" href="qtreetbl_8c.html#a590374e22090d003406210704b1c91d4">qtreetbl_find_max</a>;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>    tbl-&gt;find_nearest = <a class="code hl_function" href="qtreetbl_8c.html#aa2c4f3ac4623feb251fadabbdf734bdd">qtreetbl_find_nearest</a>;</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span> </div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>    tbl-&gt;size = <a class="code hl_function" href="qtreetbl_8c.html#a3537212a86616d50459eec229d94f8e4">qtreetbl_size</a>;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>    tbl-&gt;clear = <a class="code hl_function" href="qtreetbl_8c.html#a7b324cf9e317a2623c5767b8a0183f72">qtreetbl_clear</a>;</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span> </div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>    tbl-&gt;lock = <a class="code hl_function" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>    tbl-&gt;unlock = <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span> </div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>    tbl-&gt;free = <a class="code hl_function" href="qtreetbl_8c.html#a2bac240b706b85273338a26fb986eee7">qtreetbl_free</a>;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>    tbl-&gt;debug = <a class="code hl_function" href="qtreetbl_8c.html#a663dfe23addb8debd1c3da5e54d2c930">qtreetbl_debug</a>;</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span> </div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>    <span class="comment">// Set default comparison function.</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>    <a class="code hl_function" href="qtreetbl_8c.html#af9e239f384bd9939c34361a45dd496a6">qtreetbl_set_compare</a>(tbl, qtreetbl_byte_cmp);</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>    reset_iterator(tbl);</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span> </div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>    <span class="keywordflow">return</span> tbl;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>    malloc_failure:</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>    errno = ENOMEM;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>    <span class="keywordflow">if</span> (tbl != NULL) {</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>        assert(tbl-&gt;qmutex == NULL);</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>        <a class="code hl_function" href="qtreetbl_8c.html#a2bac240b706b85273338a26fb986eee7">qtreetbl_free</a>(tbl);</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>    }</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>    <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>}</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span><span class="comment"></span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span><span class="comment">/**</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span><span class="comment"> * qtreetbl-&gt;set_compare(): Set user comparator.</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span><span class="comment"> *</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="comment"> * @param tbl   qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span><span class="comment"> * @param cmp   a pointer to the user comparator function.</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="comment"> *</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="comment"> *  By default, qtreetbl uses byte comparator that works for</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span><span class="comment"> *  both binary type key and string type key. Please refer</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="comment"> *  qtreetbl_byte_cmp() for your idea to make your own comparator.</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span><span class="comment"> */</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#af9e239f384bd9939c34361a45dd496a6">  250</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="qtreetbl_8c.html#af9e239f384bd9939c34361a45dd496a6">qtreetbl_set_compare</a>(qtreetbl_t *tbl,</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>                          <span class="keywordtype">int</span> (*cmp)(<span class="keyword">const</span> <span class="keywordtype">void</span> *name1, <span class="keywordtype">size_t</span> namesize1,</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>                                     <span class="keyword">const</span> <span class="keywordtype">void</span> *name2, <span class="keywordtype">size_t</span> namesize2)) {</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>    tbl-&gt;compare = cmp;</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>}</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span><span class="comment"></span> </div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span><span class="comment">/**</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span><span class="comment"> * qtreetbl-&gt;put(): Put an object into this table with string type key.</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span><span class="comment"> *</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span><span class="comment"> * @param tbl         qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span><span class="comment"> * @param name        key name.</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span><span class="comment"> * @param data        data object.</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span><span class="comment"> * @param datasize    size of data object.</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><span class="comment"> *</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="comment"> * @return true if successful, otherwise returns false.</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span><span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="comment"> */</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a49e05111c8541c7155e352fb618cf170">  269</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qtreetbl_8c.html#a49e05111c8541c7155e352fb618cf170">qtreetbl_put</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">void</span> *data,</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>                  <span class="keywordtype">size_t</span> datasize) {</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>    <span class="keywordflow">return</span> <a class="code hl_function" href="qtreetbl_8c.html#a74b90269930ae1607271c187514ac5e5">qtreetbl_putobj</a>(tbl,</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>        name, (name != NULL) ? (strlen(name) + 1) : 0, data, datasize);</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>}</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span><span class="comment"></span> </div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span><span class="comment">/**</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span><span class="comment"> * qtreetbl-&gt;putstr(): Put a string into this table.</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span><span class="comment"> *</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span><span class="comment"> * @param tbl     qtreetbl container pointer.</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="comment"> * @param name    key name.</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span><span class="comment"> * @param str     string data.</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span><span class="comment"> *</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span><span class="comment"> * @return true if successful, otherwise returns false.</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span><span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span><span class="comment"> */</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a31e5908f6885033a58e354928e489b83">  287</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qtreetbl_8c.html#a31e5908f6885033a58e354928e489b83">qtreetbl_putstr</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">char</span> *str) {</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>    <span class="keywordflow">return</span> <a class="code hl_function" href="qtreetbl_8c.html#a74b90269930ae1607271c187514ac5e5">qtreetbl_putobj</a>(tbl,</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>        name, (name != NULL) ? (strlen(name) + 1) : 0,</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>        str, (str != NULL) ? (strlen(str) + 1) : 0);</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>}</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span><span class="comment"></span> </div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span><span class="comment">/**</span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span><span class="comment"> * qtreetbl-&gt;putstrf(): Put a formatted string into this table.</span></div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span><span class="comment"> *</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span><span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span><span class="comment"> * @param name      key name.</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span><span class="comment"> * @param format    formatted string data.</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span><span class="comment"> *</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span><span class="comment"> * @return true if successful, otherwise returns false.</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span><span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span><span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span><span class="comment"> */</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#ac475383244c35814d0950f0fa0c6414e">  305</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qtreetbl_8c.html#ac475383244c35814d0950f0fa0c6414e">qtreetbl_putstrf</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">char</span> *format,</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>                      ...) {</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>    <span class="keywordtype">char</span> *str;</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>    DYNAMIC_VSPRINTF(str, format);</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>    <span class="keywordflow">if</span> (str == NULL) {</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>        errno = ENOMEM;</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>    }</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span> </div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>    <span class="keywordtype">bool</span> ret = <a class="code hl_function" href="qtreetbl_8c.html#a31e5908f6885033a58e354928e489b83">qtreetbl_putstr</a>(tbl, name, str);</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>    free(str);</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>}</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span><span class="comment"></span> </div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span><span class="comment">/**</span></div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span><span class="comment"> * qtreetbl-&gt;putobj(): Put an object data into this table with an object key.</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span><span class="comment"> *</span></div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span><span class="comment"> * @param tbl         qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span><span class="comment"> * @param name        key name.</span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span><span class="comment"> * @param namesize    key size.</span></div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span><span class="comment"> * @param data        data object.</span></div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span><span class="comment"> * @param datasize    size of data object.</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span><span class="comment"> *</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span><span class="comment"> * @return true if successful, otherwise returns false.</span></div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span><span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span><span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span><span class="comment"> *</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span><span class="comment"> *  This is the underlying put function which all other put methods use.</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span><span class="comment"> */</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a74b90269930ae1607271c187514ac5e5">  336</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qtreetbl_8c.html#a74b90269930ae1607271c187514ac5e5">qtreetbl_putobj</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>                     <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> datasize) {</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>    <span class="keywordflow">if</span> (name == NULL || namesize == 0) {</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>        errno = EINVAL;</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>    }</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span> </div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span>    <a class="code hl_function" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>    errno = 0;</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>    qtreetbl_obj_t *root = put_obj(tbl, tbl-&gt;root, name, namesize, data,</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>                                   datasize);</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>    <span class="keywordflow">if</span> (root == NULL || errno == ENOMEM) {</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>        <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>    }</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span>    root-&gt;red = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>    tbl-&gt;root = root;</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>    <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span> </div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>}</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span><span class="comment"></span> </div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span><span class="comment">/**</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span><span class="comment"> * qtreetbl-&gt;get(): Get an object from this table.</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span><span class="comment"> *</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span><span class="comment"> * @param tbl         qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span><span class="comment"> * @param name        key name.</span></div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span><span class="comment"> * @param datasize    if not NULL, object size will be stored.</span></div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span><span class="comment"> * @param newmem      whether or not to allocate memory for the data.</span></div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span><span class="comment"> *</span></div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span><span class="comment"> * @return a pointer of data if the key is found, otherwise returns NULL.</span></div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span><span class="comment"> *  - ENOENT : No such key found.</span></div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span><span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span><span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span><span class="comment"> *</span></div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span><span class="comment"> *  qtreetbl_t *tbl = qtreetbl(0);</span></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span><span class="comment"> *  (...codes...)</span></div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span><span class="comment"> *</span></div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span><span class="comment"> *  // with newmem flag unset</span></div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span><span class="comment"> *  size_t size;</span></div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span><span class="comment"> *  void *data = (struct myobj*)tbl-&gt;get(tbl, &quot;key_name&quot;, &amp;size, false);</span></div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span><span class="comment"> *</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span><span class="comment"> *  // with newmem flag set</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span><span class="comment"> *  size_t size;</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span><span class="comment"> *  void *data  = (struct myobj*)tbl-&gt;get(tbl, &quot;key_name&quot;, &amp;size, true);</span></div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span><span class="comment"> *  free(data);</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span><span class="comment"> *</span></div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span><span class="comment"> *  If newmem flag is set, returned data will be malloced and should be</span></div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span><span class="comment"> *  deallocated by user. Otherwise returned pointer will point internal buffer</span></div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span><span class="comment"> *  directly and should not be de-allocated by user. In thread-safe mode,</span></div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span><span class="comment"> *  newmem flag must be set to true always.</span></div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span><span class="comment"> */</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a106198f0800d8892e404e0020da0d685">  392</a></span><span class="keywordtype">void</span> *<a class="code hl_function" href="qtreetbl_8c.html#a106198f0800d8892e404e0020da0d685">qtreetbl_get</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keywordtype">size_t</span> *datasize,</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span>                   <span class="keywordtype">bool</span> newmem) {</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span>    <span class="keywordflow">return</span> <a class="code hl_function" href="qtreetbl_8c.html#a756340d5313f0ecf604c35326b3b6a5f">qtreetbl_getobj</a>(tbl,</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span>        name, (name != NULL) ? (strlen(name) + 1) : 0, datasize, newmem);</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>}</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span><span class="comment"></span> </div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span><span class="comment">/**</span></div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span><span class="comment"> * qtreetbl-&gt;getstr(): Finds an object and returns it as string type.</span></div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span><span class="comment"> *</span></div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span><span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span><span class="comment"> * @param name      key name.</span></div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span><span class="comment"> * @param newmem    whether or not to allocate memory for the data.</span></div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span><span class="comment"> *</span></div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span><span class="comment"> * @return a pointer to data if the key is found, otherwise returns NULL.</span></div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span><span class="comment"> *  - ENOENT : No such key found.</span></div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span><span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span><span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span><span class="comment"> *</span></div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span><span class="comment"> *  If newmem flag is set, returned data will be malloced and should be</span></div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span><span class="comment"> *  deallocated by user. Otherwise returned pointer will point internal buffer</span></div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span><span class="comment"> *  directly and should not be de-allocated by user. In thread-safe mode,</span></div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span><span class="comment"> *  newmem flag must be set to true always.</span></div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span><span class="comment"> */</span></div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a80185e2ca955ce2ccbdb43065110df4c">  417</a></span><span class="keywordtype">char</span> *<a class="code hl_function" href="qtreetbl_8c.html#a80185e2ca955ce2ccbdb43065110df4c">qtreetbl_getstr</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">bool</span> newmem) {</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span>    <span class="keywordflow">return</span> <a class="code hl_function" href="qtreetbl_8c.html#a756340d5313f0ecf604c35326b3b6a5f">qtreetbl_getobj</a>(tbl,</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span>        name, (name != NULL) ? (strlen(name) + 1) : 0, NULL, newmem);</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span>}</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span><span class="comment"></span> </div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span><span class="comment">/**</span></div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span><span class="comment"> * qtreetbl-&gt;getobj(): Get an object from this table with an object name.</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span><span class="comment"> *</span></div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span><span class="comment"> * @param tbl         qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span><span class="comment"> * @param name        key name.</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span><span class="comment"> * @param namesize    key size.</span></div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span><span class="comment"> * @param datasize    if not NULL, oject size will be stored.</span></div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span><span class="comment"> * @param newmem      whether or not to allocate memory for the data.</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span><span class="comment"> *</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span><span class="comment"> * @return a pointer of data if the key is found, otherwise returns NULL.</span></div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span><span class="comment"> *  - ENOENT : No such key found.</span></div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span><span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span><span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span><span class="comment"> *</span></div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span><span class="comment"> *  If newmem flag is set, returned data will be malloced and should be</span></div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span><span class="comment"> *  deallocated by user. Otherwise returned pointer will point internal buffer</span></div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span><span class="comment"> *  directly and should not be de-allocated by user. In thread-safe mode,</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span><span class="comment"> *  newmem flag must be set to true always.</span></div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span><span class="comment"> */</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a756340d5313f0ecf604c35326b3b6a5f">  443</a></span><span class="keywordtype">void</span> *<a class="code hl_function" href="qtreetbl_8c.html#a756340d5313f0ecf604c35326b3b6a5f">qtreetbl_getobj</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>                      <span class="keywordtype">size_t</span> *datasize, <span class="keywordtype">bool</span> newmem) {</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>    <span class="keywordflow">if</span> (name == NULL || namesize == 0) {</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>        errno = EINVAL;</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>    }</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span> </div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>    <a class="code hl_function" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span>    qtreetbl_obj_t *obj = find_obj(tbl, name, namesize);</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>    <span class="keywordtype">void</span> *data = NULL;</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>    <span class="keywordflow">if</span> (obj != NULL) {</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>        data = (newmem) ? <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(obj-&gt;data, obj-&gt;datasize) : obj-&gt;data;</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span>        <span class="keywordflow">if</span> (datasize != NULL) {</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>            *datasize = (data != NULL) ? obj-&gt;datasize : 0;</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>        }</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span>    }</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span>    <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span>    <span class="keywordflow">return</span> data;</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>}</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span><span class="comment"></span> </div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span><span class="comment">/**</span></div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span><span class="comment"> * qtreetbl-&gt;remove(): Remove an object from this table.</span></div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span><span class="comment"> *</span></div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span><span class="comment"> * @param tbl     qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span><span class="comment"> * @param name    key name.</span></div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span><span class="comment"> *</span></div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span><span class="comment"> * @return true if successful, otherwise(not found) returns false.</span></div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span><span class="comment"> *  - ENOENT : No such key found.</span></div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span><span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span><span class="comment"> */</span></div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a3354408a36cb5d6fd724727dda04d1f3">  474</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qtreetbl_8c.html#a3354408a36cb5d6fd724727dda04d1f3">qtreetbl_remove</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name) {</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>    <span class="keywordflow">return</span> <a class="code hl_function" href="qtreetbl_8c.html#ad3284afb03b64b8242687e33b87aaf0e">qtreetbl_removeobj</a>(tbl,</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>                              name, (name != NULL) ? strlen(name) + 1 : 0);</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>}</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span><span class="comment"></span> </div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span><span class="comment">/**</span></div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span><span class="comment"> * qtreetbl-&gt;remove(): Remove an object from this table with an object name.</span></div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span><span class="comment"> *</span></div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span><span class="comment"> * @param tbl     qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span><span class="comment"> * @param name    key name.</span></div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span><span class="comment"> * @param name    key size.</span></div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span><span class="comment"> *</span></div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span><span class="comment"> * @return true if successful, otherwise(not found) returns false.</span></div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span><span class="comment"> *  - ENOENT : No such key found.</span></div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span><span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span><span class="comment"> */</span></div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#ad3284afb03b64b8242687e33b87aaf0e">  491</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qtreetbl_8c.html#ad3284afb03b64b8242687e33b87aaf0e">qtreetbl_removeobj</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize) {</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span>    <span class="keywordflow">if</span> (name == NULL) {</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span>        errno = EINVAL;</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>    }</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span> </div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>    <a class="code hl_function" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span>    errno = 0;</div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span>    tbl-&gt;root = remove_obj(tbl, tbl-&gt;root, name, namesize);</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span>    <span class="keywordflow">if</span> (tbl-&gt;root != NULL) {</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>        tbl-&gt;root-&gt;red = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span>    }</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>    <span class="keywordtype">bool</span> removed = (errno != ENOENT) ? <span class="keyword">true</span> : <span class="keyword">false</span>;</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span>    <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span> </div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span>    <span class="keywordflow">return</span> removed;</div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span>}</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span><span class="comment"></span> </div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span><span class="comment">/**</span></div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span><span class="comment"> * qtreetbl-&gt;getnext(): Get next element.</span></div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span><span class="comment"> *</span></div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span><span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span><span class="comment"> * @param obj       found data will be stored in this object.</span></div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span><span class="comment"> * @param newmem    whether or not to allocate memory for the data.</span></div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span><span class="comment"> *</span></div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span><span class="comment"> * @return true if found otherwise returns false.</span></div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span><span class="comment"> *  - ENOENT : No next element.</span></div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span><span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span><span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span><span class="comment"> *</span></div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span><span class="comment"> *  [Iteration example from the beginning]</span></div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span><span class="comment"> *</span></div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span><span class="comment"> *  qtreetbl_obj_t obj;</span></div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span><span class="comment"> *  memset((void*)&amp;obj, 0, sizeof(obj)); // must be cleared before call</span></div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span><span class="comment"> *  tbl-&gt;lock(tbl);  // lock it when thread condition is expected</span></div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span><span class="comment"> *  while(tbl-&gt;getnext(tbl, &amp;obj, false) == true) {</span></div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span><span class="comment"> *     //</span></div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span><span class="comment"> *     // obj.name     : key data</span></div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span><span class="comment"> *     // obj.namesize : key size</span></div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span><span class="comment"> *     // obj.data     : data</span></div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span><span class="comment"> *     // obj.datasize : data size</span></div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span><span class="comment"> *     //</span></div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span><span class="comment"> *     // Do free obj.name and obj.data if newmem is set to true;</span></div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span><span class="comment"> *  }</span></div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span><span class="comment"> *  tbl-&gt;unlock(tbl);</span></div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span><span class="comment"> *</span></div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span><span class="comment"> *  [Iteration example from given point]</span></div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span><span class="comment"> *</span></div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span><span class="comment"> *  tbl-&gt;lock(tbl);  // to guarantee no table update during the run</span></div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span><span class="comment"> *  qtreetbl_obj_t obj = tbl-&gt;find_nearest(tbl, &quot;F&quot;, sizeof(&quot;F&quot;), false);</span></div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span><span class="comment"> *  while (tbl-&gt;getnext(tbl, &amp;obj, false) == true) {  // newmem is false</span></div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span><span class="comment"> *      // If a tree has 5 objects, A, C, E, G and I.</span></div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span><span class="comment"> *      // The iteration sequence from nearest &quot;F&quot; will be: E-&gt;G-&gt;I-&gt;A-&gt;C</span></div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span><span class="comment"> *  }</span></div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span><span class="comment"> *  tbl-&gt;unlock(tbl);</span></div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span><span class="comment"> *</span></div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span><span class="comment"> *</span></div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span><span class="comment"> *  [Removal example in iteration loop]</span></div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span><span class="comment"> *</span></div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span><span class="comment"> *  qtreetbl_obj_t obj;</span></div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span><span class="comment"> *  memset((void*)&amp;obj, 0, sizeof(obj));</span></div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span><span class="comment"> *  tbl-&gt;lock(tbl);</span></div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno">  559</span><span class="comment"> *  while (tbl-&gt;getnext(tbl, &amp;obj, false) == true) {</span></div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span><span class="comment"> *      if (...condition...) {</span></div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span><span class="comment"> *          char *name = qmemdup(obj.name, obj.namesize);  // keep the name</span></div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span><span class="comment"> *          size_t namesize = obj.namesize;                // for removal argument</span></div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span><span class="comment"> *          tbl-&gt;removeobj(tbl, obj.name, obj.namesize);   // remove</span></div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span><span class="comment"> *          obj = tbl-&gt;find_nearest(tbl, name, namesize, false); // rewind one step back</span></div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span><span class="comment"> *          free(name);  // clean up</span></div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span><span class="comment"> *      }</span></div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span><span class="comment"> *  }</span></div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span><span class="comment"> *  tbl-&gt;unlock(tbl);</span></div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span><span class="comment"> *</span></div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span><span class="comment"> *  - Data insertion or deletion can be made during the traversal, but in that</span></div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span><span class="comment"> *  case iterator doesn&#39;t guarantee full sweep and possibly skip some visits.</span></div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span><span class="comment"> *  When deletion happens in getnext() loop, use find_nearest() to rewind the</span></div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno">  575</span><span class="comment"> *  iterator one step back.</span></div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno">  576</span><span class="comment"> *  - Object obj should be initialized with 0 by using memset() before first call.</span></div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span><span class="comment"> *  - If newmem flag is true, user should de-allocate obj.name and obj.data</span></div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno">  578</span><span class="comment"> *  resources.</span></div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno">  579</span><span class="comment"> */</span></div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#aeb32bf5a193a0b7276cff302d3fcd090">  580</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qtreetbl_8c.html#aeb32bf5a193a0b7276cff302d3fcd090">qtreetbl_getnext</a>(qtreetbl_t *tbl, qtreetbl_obj_t *obj, <span class="keyword">const</span> <span class="keywordtype">bool</span> newmem) {</div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno">  581</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno">  582</span>        errno = EINVAL;</div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno">  584</span>    }</div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span> </div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno">  586</span>    uint8_t tid = obj-&gt;tid;</div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno">  587</span>    <span class="keywordflow">if</span> (obj-&gt;next == NULL) {  <span class="comment">// first time call</span></div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span>        <span class="keywordflow">if</span> (tbl-&gt;root == NULL) {</div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span>            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span>        }</div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno">  591</span>        <span class="comment">// get a new iterator id</span></div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno">  592</span>        tid = reset_iterator(tbl);;</div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno">  593</span>    }</div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno">  594</span> </div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno">  595</span>    qtreetbl_obj_t *cursor = ((obj-&gt;next != NULL) ? obj-&gt;next : tbl-&gt;root);</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno">  596</span>    <span class="keywordflow">while</span> (cursor != NULL) {</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno">  597</span>        <span class="keywordflow">if</span> (cursor-&gt;left != NULL &amp;&amp; cursor-&gt;left-&gt;tid != tid) {</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno">  598</span>            cursor-&gt;left-&gt;next = cursor;</div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno">  599</span>            cursor = cursor-&gt;left;</div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno">  600</span>            <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno">  601</span>        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cursor-&gt;tid != tid) {</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno">  602</span>            cursor-&gt;tid = tid;</div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno">  603</span>            *obj = *cursor;</div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno">  604</span>            <span class="keywordflow">if</span> (newmem) {</div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno">  605</span>                obj-&gt;name = <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(cursor-&gt;name, cursor-&gt;namesize);</div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno">  606</span>                obj-&gt;data = <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(cursor-&gt;data, cursor-&gt;datasize);</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno">  607</span>            }</div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno">  608</span>            obj-&gt;next = cursor;  <span class="comment">// store original address in tree for next iteration</span></div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno">  609</span>            <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno">  610</span>        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cursor-&gt;right != NULL &amp;&amp; cursor-&gt;right-&gt;tid != tid) {</div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno">  611</span>            cursor-&gt;right-&gt;next = cursor;</div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno">  612</span>            cursor = cursor-&gt;right;</div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno">  613</span>            <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno">  614</span>        }</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno">  615</span>        cursor = cursor-&gt;next;</div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno">  616</span>    }</div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno">  617</span> </div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno">  618</span>    <span class="comment">// end of travel, reset iterator to allow iteration start over in next call</span></div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno">  619</span>    reset_iterator(tbl);</div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno">  620</span>    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno">  621</span>}</div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno">  622</span><span class="comment"></span> </div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno">  623</span><span class="comment">/**</span></div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno">  624</span><span class="comment"> * qtreetbl-&gt;find_min(): Find the name of the leftmost object.</span></div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno">  625</span><span class="comment"> *</span></div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno">  626</span><span class="comment"> * @param tbl         qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno">  627</span><span class="comment"> * @param namesize    if not NULL, the size of key name will be stored.</span></div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno">  628</span><span class="comment"> *</span></div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno">  629</span><span class="comment"> * @return malloced memory copying the key name.</span></div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno">  630</span><span class="comment"> *</span></div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno">  631</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno">  632</span><span class="comment"> *  It&#39;s user&#39;s responsibility to free the return.</span></div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno">  633</span><span class="comment"> */</span></div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#ac12b7b164b262053427eac34a2d1cbbc">  634</a></span><span class="keywordtype">void</span> *<a class="code hl_function" href="qtreetbl_8c.html#ac12b7b164b262053427eac34a2d1cbbc">qtreetbl_find_min</a>(qtreetbl_t *tbl, <span class="keywordtype">size_t</span> *namesize) {</div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno">  635</span>    <a class="code hl_function" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno">  636</span>    qtreetbl_obj_t *obj = find_min(tbl-&gt;root);</div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno">  637</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno">  638</span>        errno = ENOENT;</div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno">  639</span>        <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno">  640</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno">  641</span>    }</div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno">  642</span> </div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno">  643</span>    <span class="keywordflow">if</span> (namesize != NULL) {</div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno">  644</span>        *namesize = obj-&gt;namesize;</div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno">  645</span>    }</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno">  646</span>    <span class="keywordtype">void</span> *name = <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno">  647</span>    <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno">  648</span>    <span class="keywordflow">return</span> name;</div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno">  649</span>}</div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno">  650</span><span class="comment"></span> </div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno">  651</span><span class="comment">/**</span></div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno">  652</span><span class="comment"> * qtreetbl-&gt;find_max(): Find the name of the rightmost object.</span></div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno">  653</span><span class="comment"> *</span></div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno">  654</span><span class="comment"> * @param tbl         qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno">  655</span><span class="comment"> * @param namesize    if not NULL, the size of key name will be stored.</span></div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno">  656</span><span class="comment"> *</span></div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno">  657</span><span class="comment"> * @return malloced memory copying the key name.</span></div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno">  658</span><span class="comment"> *</span></div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno">  659</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno">  660</span><span class="comment"> *  It&#39;s user&#39;s responsibility to free the return.</span></div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno">  661</span><span class="comment"> */</span></div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a590374e22090d003406210704b1c91d4">  662</a></span><span class="keywordtype">void</span> *<a class="code hl_function" href="qtreetbl_8c.html#a590374e22090d003406210704b1c91d4">qtreetbl_find_max</a>(qtreetbl_t *tbl, <span class="keywordtype">size_t</span> *namesize) {</div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno">  663</span>    <a class="code hl_function" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno">  664</span>    qtreetbl_obj_t *obj = find_max(tbl-&gt;root);</div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno">  665</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno">  666</span>        errno = ENOENT;</div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno">  667</span>        <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno">  668</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno">  669</span>    }</div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno">  670</span> </div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno">  671</span>    <span class="keywordflow">if</span> (namesize != NULL) {</div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno">  672</span>        *namesize = obj-&gt;namesize;</div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno">  673</span>    }</div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno">  674</span>    <span class="keywordtype">void</span> *name = <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno">  675</span>    <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno">  676</span>    <span class="keywordflow">return</span> name;</div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno">  677</span>}</div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno">  678</span><span class="comment"></span> </div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno">  679</span><span class="comment">/**</span></div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno">  680</span><span class="comment"> * qtreetbl-&gt;find_nearest(): Find an object with matching key or nearest.</span></div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno">  681</span><span class="comment"> *</span></div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno">  682</span><span class="comment"> * find_nearest() returns matching key or nearest key object. If there&#39;s</span></div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno">  683</span><span class="comment"> * no keys in the table. It&#39;ll return empty qtreetbl_obj_t object</span></div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno">  684</span><span class="comment"> * with errno ENOENT.</span></div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno">  685</span><span class="comment"> *</span></div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno">  686</span><span class="comment"> * @param tbl         qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno">  687</span><span class="comment"> * @param name        key name.</span></div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno">  688</span><span class="comment"> * @param namesize    key size.</span></div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno">  689</span><span class="comment"> * @param newmem      whether or not to allocate memory for the data.</span></div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno">  690</span><span class="comment"> *</span></div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno">  691</span><span class="comment"> * @return qtreetbl_obj_t object.</span></div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno">  692</span><span class="comment"> *</span></div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno">  693</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno">  694</span><span class="comment"> *  - ENOENT : No next element.</span></div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno">  695</span><span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno">  696</span><span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno">  697</span><span class="comment"> *</span></div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno">  698</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno">  699</span><span class="comment"> *  Data Set : A B C D E I N R S X</span></div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno">  700</span><span class="comment"> *  find_nearest(&quot;0&quot;) =&gt; &quot;A&quot; // no smaller key available, so &quot;A&quot;</span></div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno">  701</span><span class="comment"> *  find_nearest(&quot;C&quot;) =&gt; &quot;C&quot; // matching key found</span></div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno">  702</span><span class="comment"> *  find_nearest(&quot;F&quot;) =&gt; &quot;E&quot; // &quot;E&quot; is nearest smaller key from &quot;F&quot;</span></div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno">  703</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno">  704</span><span class="comment"> *</span></div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno">  705</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno">  706</span><span class="comment"> *  When there&#39;s no matching key it look for closest smaller key</span></div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno">  707</span><span class="comment"> *  in the neighbors. The only exception when it returns bigger key</span></div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno">  708</span><span class="comment"> *  than given search key is that when there&#39;s no smaller keys available</span></div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno">  709</span><span class="comment"> *  in the table. In such case, it&#39;ll return the nearest bigger key.</span></div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno">  710</span><span class="comment"> */</span></div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#aa2c4f3ac4623feb251fadabbdf734bdd">  711</a></span>qtreetbl_obj_t <a class="code hl_function" href="qtreetbl_8c.html#aa2c4f3ac4623feb251fadabbdf734bdd">qtreetbl_find_nearest</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">void</span> *name,</div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno">  712</span>                                     <span class="keywordtype">size_t</span> namesize, <span class="keywordtype">bool</span> newmem) {</div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno">  713</span>    qtreetbl_obj_t retobj;</div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno">  714</span>    memset((<span class="keywordtype">void</span>*) &amp;retobj, 0, <span class="keyword">sizeof</span>(retobj));</div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno">  715</span> </div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno">  716</span>    <span class="keywordflow">if</span> (name == NULL || namesize == 0) {</div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno">  717</span>        errno = EINVAL;</div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno">  718</span>        <span class="keywordflow">return</span> retobj;</div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno">  719</span>    }</div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno">  720</span> </div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno">  721</span>    <a class="code hl_function" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a id="l00722" name="l00722"></a><span class="lineno">  722</span>    qtreetbl_obj_t *obj, *lastobj;</div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno">  723</span>    <span class="keywordflow">for</span> (obj = lastobj = tbl-&gt;root; obj != NULL;) {</div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno">  724</span>        <span class="keywordtype">int</span> cmp = tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno">  725</span>        <span class="keywordflow">if</span> (cmp == 0) {</div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno">  726</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno">  727</span>        }</div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno">  728</span>        lastobj = obj;</div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno">  729</span>        <span class="keywordflow">if</span> (cmp &lt; 0) {</div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno">  730</span>            <span class="keywordflow">if</span> (obj-&gt;left != NULL) {</div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno">  731</span>                obj-&gt;left-&gt;next = obj;</div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno">  732</span>            }</div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno">  733</span>            obj = obj-&gt;left;</div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno">  734</span>        } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno">  735</span>            <span class="keywordflow">if</span> (obj-&gt;right != NULL) {</div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno">  736</span>                obj-&gt;right-&gt;next = obj;</div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno">  737</span>            }</div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno">  738</span>            obj = obj-&gt;right;</div>
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno">  739</span>        }</div>
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno">  740</span>    }</div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno">  741</span> </div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno">  742</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno">  743</span>        <span class="keywordflow">for</span> (obj = lastobj;</div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno">  744</span>            obj != NULL &amp;&amp; (tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize) &lt; 0);</div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno">  745</span>            obj = obj-&gt;next);</div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno">  746</span>        <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno">  747</span>            obj = lastobj;</div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno">  748</span>        }</div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno">  749</span>    }</div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno">  750</span> </div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno">  751</span>    <span class="keywordflow">if</span> (obj != NULL) {</div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno">  752</span>        retobj = *obj;</div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno">  753</span>        <span class="keywordflow">if</span> (newmem) {</div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno">  754</span>            retobj.name = <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno">  755</span>            retobj.data = <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(obj-&gt;data, obj-&gt;datasize);</div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno">  756</span>        }</div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno">  757</span>        <span class="comment">// set travel info to be used for iteration in getnext()</span></div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno">  758</span>        retobj.tid = tbl-&gt;tid;</div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno">  759</span>        retobj.next = obj;</div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno">  760</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno">  761</span>        errno = ENOENT;</div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno">  762</span>    }</div>
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno">  763</span> </div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno">  764</span>    <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno">  765</span>    <span class="keywordflow">return</span> retobj;</div>
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno">  766</span>}</div>
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno">  767</span><span class="comment"></span> </div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno">  768</span><span class="comment">/**</span></div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno">  769</span><span class="comment"> * qtreetbl-&gt;size(): Returns the number of keys in the table.</span></div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno">  770</span><span class="comment"> *</span></div>
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno">  771</span><span class="comment"> * @param tbl    qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno">  772</span><span class="comment"> *</span></div>
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno">  773</span><span class="comment"> * @return number of elements stored.</span></div>
<div class="line"><a id="l00774" name="l00774"></a><span class="lineno">  774</span><span class="comment"> */</span></div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a3537212a86616d50459eec229d94f8e4">  775</a></span><span class="keywordtype">size_t</span> <a class="code hl_function" href="qtreetbl_8c.html#a3537212a86616d50459eec229d94f8e4">qtreetbl_size</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno">  776</span>    <span class="keywordflow">return</span> tbl-&gt;num;</div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno">  777</span>}</div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno">  778</span><span class="comment"></span> </div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno">  779</span><span class="comment">/**</span></div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno">  780</span><span class="comment"> * qtreetbl-&gt;clear(): Clears the table so that it contains no keys.</span></div>
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno">  781</span><span class="comment"> *</span></div>
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno">  782</span><span class="comment"> * @param tbl    qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno">  783</span><span class="comment"> */</span></div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a7b324cf9e317a2623c5767b8a0183f72">  784</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="qtreetbl_8c.html#a7b324cf9e317a2623c5767b8a0183f72">qtreetbl_clear</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno">  785</span>    <a class="code hl_function" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno">  786</span>    free_objs(tbl-&gt;root);</div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno">  787</span>    tbl-&gt;root = NULL;</div>
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno">  788</span>    tbl-&gt;num = 0;</div>
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno">  789</span>    <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno">  790</span>}</div>
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno">  791</span><span class="comment"></span> </div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno">  792</span><span class="comment">/**</span></div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno">  793</span><span class="comment"> * qtreetbl-&gt;lock(): Enter critical section.</span></div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno">  794</span><span class="comment"> *</span></div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno">  795</span><span class="comment"> * @param tbl    qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno">  796</span><span class="comment"> *</span></div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno">  797</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno">  798</span><span class="comment"> *  From user side, normally locking operation is only needed when traverse</span></div>
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno">  799</span><span class="comment"> *  all elements using qtreetbl-&gt;getnext().</span></div>
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno">  800</span><span class="comment"> *</span></div>
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno">  801</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno">  802</span><span class="comment"> *  This operation will do nothing if QTREETBL_THREADSAFE option was not</span></div>
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno">  803</span><span class="comment"> *  given at the initialization time.</span></div>
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno">  804</span><span class="comment"> */</span></div>
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">  805</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno">  806</span>    Q_MUTEX_ENTER(tbl-&gt;qmutex);</div>
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno">  807</span>}</div>
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno">  808</span><span class="comment"></span> </div>
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno">  809</span><span class="comment">/**</span></div>
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno">  810</span><span class="comment"> * qtreetbl-&gt;unlock(): Leave critical section.</span></div>
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno">  811</span><span class="comment"> *</span></div>
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno">  812</span><span class="comment"> * @param tbl    qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno">  813</span><span class="comment"> *</span></div>
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno">  814</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno">  815</span><span class="comment"> *  This operation will do nothing if QTREETBL_THREADSAFE option was not</span></div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno">  816</span><span class="comment"> *  given at the initialization time.</span></div>
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno">  817</span><span class="comment"> */</span></div>
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">  818</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno">  819</span>    Q_MUTEX_LEAVE(tbl-&gt;qmutex);</div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno">  820</span>}</div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno">  821</span><span class="comment"></span> </div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno">  822</span><span class="comment">/**</span></div>
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno">  823</span><span class="comment"> * qtreetbl-&gt;free(): De-allocate the table.</span></div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno">  824</span><span class="comment"> *</span></div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno">  825</span><span class="comment"> * @param tbl    qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno">  826</span><span class="comment"> */</span></div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a2bac240b706b85273338a26fb986eee7">  827</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="qtreetbl_8c.html#a2bac240b706b85273338a26fb986eee7">qtreetbl_free</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno">  828</span>    <a class="code hl_function" href="qtreetbl_8c.html#a7b324cf9e317a2623c5767b8a0183f72">qtreetbl_clear</a>(tbl);</div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno">  829</span>    Q_MUTEX_DESTROY(tbl-&gt;qmutex);</div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno">  830</span>    free(tbl);</div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno">  831</span>}</div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno">  832</span> </div>
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno">  833</span><span class="keywordtype">int</span> qtreetbl_byte_cmp(<span class="keyword">const</span> <span class="keywordtype">void</span> *name1, <span class="keywordtype">size_t</span> namesize1, <span class="keyword">const</span> <span class="keywordtype">void</span> *name2,</div>
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno">  834</span>                      <span class="keywordtype">size_t</span> namesize2) {</div>
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno">  835</span>    <span class="keywordtype">size_t</span> minsize = (namesize1 &lt; namesize2) ? namesize1 : namesize2;</div>
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno">  836</span>    <span class="keywordtype">int</span> cmp = memcmp(name1, name2, minsize);</div>
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno">  837</span>    <span class="keywordflow">if</span> (cmp != 0 || namesize1 == namesize2) {</div>
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno">  838</span>        <span class="keywordflow">return</span> cmp;</div>
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno">  839</span>    }</div>
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno">  840</span>    <span class="keywordflow">return</span> (namesize1 &lt; namesize2) ? -1 : +1;</div>
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno">  841</span>}</div>
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno">  842</span><span class="comment"></span> </div>
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno">  843</span><span class="comment">/**</span></div>
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno">  844</span><span class="comment"> * qtreetbl-&gt;debug(): Print the internal tree structure in text.</span></div>
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno">  845</span><span class="comment"> *</span></div>
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno">  846</span><span class="comment"> * @param tbl    qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno">  847</span><span class="comment"> * @param out    output stream.</span></div>
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno">  848</span><span class="comment"> *</span></div>
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno">  849</span><span class="comment"> * @return true if successful, otherwise returns false.</span></div>
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno">  850</span><span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno">  851</span><span class="comment"> *  - EIO : Invalid output stream.</span></div>
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno">  852</span><span class="comment"> *</span></div>
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno">  853</span><span class="comment"> * @code</span></div>
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno">  854</span><span class="comment"> * Example output:</span></div>
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno">  855</span><span class="comment"> *</span></div>
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno">  856</span><span class="comment"> *     ┌───9</span></div>
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno">  857</span><span class="comment"> *     │   └──[8]</span></div>
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno">  858</span><span class="comment"> * ┌───7</span></div>
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno">  859</span><span class="comment"> * │   │   ┌───6</span></div>
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno">  860</span><span class="comment"> * │   └──[5]</span></div>
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno">  861</span><span class="comment"> * │       └───4</span></div>
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno">  862</span><span class="comment"> * 3</span></div>
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno">  863</span><span class="comment"> * │   ┌───2</span></div>
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno">  864</span><span class="comment"> * └───1</span></div>
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno">  865</span><span class="comment"> *     └───0</span></div>
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno">  866</span><span class="comment"> * @endcode</span></div>
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno">  867</span><span class="comment"> * @note</span></div>
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno">  868</span><span class="comment"> *  Red nodes are wrapped in `[]`.</span></div>
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno">  869</span><span class="comment"> *  In this example, 5 and 8 are Red nodes.</span></div>
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno">  870</span><span class="comment"> */</span></div>
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a663dfe23addb8debd1c3da5e54d2c930">  871</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="qtreetbl_8c.html#a663dfe23addb8debd1c3da5e54d2c930">qtreetbl_debug</a>(qtreetbl_t *tbl, FILE *out) {</div>
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno">  872</span>    <span class="keywordflow">if</span> (out == NULL) {</div>
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno">  873</span>        errno = EIO;</div>
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno">  874</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno">  875</span>    }</div>
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno">  876</span> </div>
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno">  877</span>    <a class="code hl_function" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno">  878</span>    print_node(tbl-&gt;root, out, NULL, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno">  879</span>    <a class="code hl_function" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno">  880</span>    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno">  881</span>}</div>
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno">  882</span><span class="comment"></span> </div>
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno">  883</span><span class="comment">/**</span></div>
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno">  884</span><span class="comment"> * Verifies that root property of the red-black tree is satisfied.</span></div>
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno">  885</span><span class="comment"> *</span></div>
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno">  886</span><span class="comment"> * Root property: The root is black.</span></div>
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno">  887</span><span class="comment"> *</span></div>
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno">  888</span><span class="comment"> * @param tbl    qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno">  889</span><span class="comment"> */</span></div>
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a27db959def75174ccdab3fd073e8b8fc">  890</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="qtreetbl_8c.html#a27db959def75174ccdab3fd073e8b8fc">node_check_root</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno">  891</span>    <span class="keywordflow">if</span> (tbl == NULL) {</div>
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno">  892</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno">  893</span>    }</div>
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno">  894</span> </div>
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno">  895</span>    <span class="keywordflow">if</span> (is_red(tbl-&gt;root)) {</div>
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno">  896</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno">  897</span>    }</div>
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno">  898</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno">  899</span>}</div>
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno">  900</span><span class="comment"></span> </div>
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno">  901</span><span class="comment">/**</span></div>
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno">  902</span><span class="comment"> * Verifies that red property of the red-black tree is satisfied.</span></div>
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno">  903</span><span class="comment"> *</span></div>
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno">  904</span><span class="comment"> * Red property: If a node is red, then both its children are black.</span></div>
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno">  905</span><span class="comment"> *</span></div>
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno">  906</span><span class="comment"> * @param tbl    qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno">  907</span><span class="comment"> * @param obj    qtreetbl_obj_t object pointer.</span></div>
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno">  908</span><span class="comment"> */</span></div>
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#acca3f6925989955eec665c5c9aa11ed2">  909</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="qtreetbl_8c.html#acca3f6925989955eec665c5c9aa11ed2">node_check_red</a>(qtreetbl_t *tbl, qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno">  910</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno">  911</span>        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno">  912</span>    }</div>
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno">  913</span> </div>
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno">  914</span>    <span class="keywordflow">if</span> (is_red(obj)) {</div>
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno">  915</span>        <span class="keywordflow">if</span> (is_red(obj-&gt;right) || is_red(obj-&gt;left)) {</div>
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno">  916</span>            <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno">  917</span>        }</div>
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno">  918</span>    }</div>
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno">  919</span> </div>
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno">  920</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="qtreetbl_8c.html#acca3f6925989955eec665c5c9aa11ed2">node_check_red</a>(tbl, obj-&gt;right)) {</div>
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno">  921</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno">  922</span>    }</div>
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno">  923</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="qtreetbl_8c.html#acca3f6925989955eec665c5c9aa11ed2">node_check_red</a>(tbl, obj-&gt;left)) {</div>
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno">  924</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno">  925</span>    }</div>
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno">  926</span> </div>
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno">  927</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno">  928</span>}</div>
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno">  929</span><span class="comment"></span> </div>
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno">  930</span><span class="comment">/**</span></div>
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno">  931</span><span class="comment"> * Verifies that black property of the red-black tree is satisfied.</span></div>
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno">  932</span><span class="comment"> *</span></div>
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno">  933</span><span class="comment"> * Black property: For each node, all simple paths from the node to</span></div>
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno">  934</span><span class="comment"> *                 descendant leaves contain the same number of black nodes.</span></div>
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno">  935</span><span class="comment"> *</span></div>
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno">  936</span><span class="comment"> * @param tbl         qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno">  937</span><span class="comment"> * @param obj         qtreetbl_obj_t object pointer.</span></div>
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno">  938</span><span class="comment"> * @param path_len    black path length.</span></div>
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno">  939</span><span class="comment"> */</span></div>
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#aa727bb7c8a149d2b924d586594836d86">  940</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="qtreetbl_8c.html#aa727bb7c8a149d2b924d586594836d86">node_check_black</a>(qtreetbl_t *tbl, qtreetbl_obj_t *obj, <span class="keywordtype">int</span> *path_len) {</div>
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno">  941</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno">  942</span>        *path_len = 1;</div>
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno">  943</span>        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno">  944</span>    }</div>
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno">  945</span> </div>
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno">  946</span>    <span class="keywordtype">int</span> right_path_len;</div>
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno">  947</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="qtreetbl_8c.html#aa727bb7c8a149d2b924d586594836d86">node_check_black</a>(tbl, obj-&gt;right, &amp;right_path_len)) {</div>
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno">  948</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno">  949</span>    }</div>
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno">  950</span>    <span class="keywordtype">int</span> left_path_len;</div>
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno">  951</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="qtreetbl_8c.html#aa727bb7c8a149d2b924d586594836d86">node_check_black</a>(tbl, obj-&gt;left, &amp;left_path_len)) {</div>
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno">  952</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno">  953</span>    }</div>
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno">  954</span> </div>
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno">  955</span>    <span class="keywordflow">if</span> (right_path_len != left_path_len) {</div>
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno">  956</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno">  957</span>    }</div>
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno">  958</span>    *path_len = (!is_red(obj)) ? (right_path_len + 1) : right_path_len;</div>
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno">  959</span> </div>
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno">  960</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno">  961</span>}</div>
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno">  962</span><span class="comment"></span> </div>
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno">  963</span><span class="comment">/**</span></div>
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno">  964</span><span class="comment"> * Verifies that LLRB property of the left-leaning red-black tree is satisfied.</span></div>
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno">  965</span><span class="comment"> *</span></div>
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno">  966</span><span class="comment"> * LLRB property: 3-nodes always lean to the left and 4-nodes are balanced.</span></div>
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno">  967</span><span class="comment"> *</span></div>
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno">  968</span><span class="comment"> * @param tbl    qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno">  969</span><span class="comment"> * @param obj    qtreetbl_obj_t object pointer.</span></div>
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno">  970</span><span class="comment"> */</span></div>
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a9d9d33c61cc0c7e3312c10504d628e98">  971</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="qtreetbl_8c.html#a9d9d33c61cc0c7e3312c10504d628e98">node_check_llrb</a>(qtreetbl_t *tbl, qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno">  972</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno">  973</span>        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno">  974</span>    }</div>
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno">  975</span> </div>
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno">  976</span>    <span class="keywordflow">if</span> (is_red(obj-&gt;right) &amp;&amp; !is_red(obj-&gt;left)) {</div>
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno">  977</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno">  978</span>    }</div>
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno">  979</span> </div>
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno">  980</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="qtreetbl_8c.html#a9d9d33c61cc0c7e3312c10504d628e98">node_check_llrb</a>(tbl, obj-&gt;right)) {</div>
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno">  981</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno">  982</span>    }</div>
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno">  983</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="qtreetbl_8c.html#a9d9d33c61cc0c7e3312c10504d628e98">node_check_llrb</a>(tbl, obj-&gt;left)) {</div>
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno">  984</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno">  985</span>    }</div>
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno">  986</span> </div>
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno">  987</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno">  988</span>}</div>
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno">  989</span><span class="comment"></span> </div>
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno">  990</span><span class="comment">/**</span></div>
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno">  991</span><span class="comment"> * Verifies that the invariants of the red-black tree are satisfied.</span></div>
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno">  992</span><span class="comment"> *</span></div>
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno">  993</span><span class="comment"> * Root property:  The root is black.</span></div>
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno">  994</span><span class="comment"> * Red property:   If a node is red, then both its children are black.</span></div>
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno">  995</span><span class="comment"> * Black property: For each node, all simple paths from the node to</span></div>
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno">  996</span><span class="comment"> *                 descendant leaves contain the same number of black nodes.</span></div>
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno">  997</span><span class="comment"> * LLRB property:  3-nodes always lean to the left and 4-nodes are balanced.</span></div>
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno">  998</span><span class="comment"> *</span></div>
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno">  999</span><span class="comment"> * @param tbl    qtreetbl_t container pointer.</span></div>
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span><span class="comment"> */</span></div>
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#ab53aff8d2c853903ecd90ff83eba2056"> 1001</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="qtreetbl_8c.html#ab53aff8d2c853903ecd90ff83eba2056">qtreetbl_check</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span>    <span class="keywordflow">if</span> (tbl == NULL) {</div>
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span>        <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span>    }</div>
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> </div>
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="qtreetbl_8c.html#a27db959def75174ccdab3fd073e8b8fc">node_check_root</a>(tbl)) {</div>
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span>        <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span>    }</div>
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="qtreetbl_8c.html#acca3f6925989955eec665c5c9aa11ed2">node_check_red</a>(tbl, tbl-&gt;root)) {</div>
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span>        <span class="keywordflow">return</span> 2;</div>
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span>    }</div>
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span>    <span class="keywordtype">int</span> path_len = 0;</div>
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="qtreetbl_8c.html#aa727bb7c8a149d2b924d586594836d86">node_check_black</a>(tbl, tbl-&gt;root, &amp;path_len)) {</div>
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span>        <span class="keywordflow">return</span> 3;</div>
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span>    }</div>
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span>    <span class="keywordflow">if</span> (<a class="code hl_function" href="qtreetbl_8c.html#a9d9d33c61cc0c7e3312c10504d628e98">node_check_llrb</a>(tbl, tbl-&gt;root)) {</div>
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span>        <span class="keywordflow">return</span> 4;</div>
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span>    }</div>
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span> </div>
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span>}</div>
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> </div>
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span><span class="preprocessor">#ifndef _DOXYGEN_SKIP</span></div>
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> </div>
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span><span class="keyword">static</span> <span class="keywordtype">bool</span> is_red(qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span>    <span class="keywordflow">return</span> (obj != NULL) ? obj-&gt;red : <span class="keyword">false</span>;</div>
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span>}</div>
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> </div>
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span>uint32_t _q_treetbl_flip_color_cnt = 0;</div>
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span><span class="keyword">static</span> qtreetbl_obj_t *flip_color(qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span>    obj-&gt;red = !(obj-&gt;red);</div>
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span>    obj-&gt;left-&gt;red = !(obj-&gt;left-&gt;red);</div>
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span>    obj-&gt;right-&gt;red = !(obj-&gt;right-&gt;red);</div>
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span>    _q_treetbl_flip_color_cnt++;</div>
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span>    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span>}</div>
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span> </div>
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span>uint32_t _q_treetbl_rotate_left_cnt = 0;</div>
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span><span class="keyword">static</span> qtreetbl_obj_t *rotate_left(qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span>    qtreetbl_obj_t *x = obj-&gt;right;</div>
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span>    obj-&gt;right = x-&gt;left;</div>
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span>    x-&gt;left = obj;</div>
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span>    x-&gt;red = x-&gt;left-&gt;red;</div>
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span>    x-&gt;left-&gt;red = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span>    _q_treetbl_rotate_left_cnt++;</div>
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span>    <span class="keywordflow">return</span> x;</div>
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span>}</div>
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span> </div>
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span>uint32_t _q_treetbl_rotate_right_cnt = 0;</div>
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span><span class="keyword">static</span> qtreetbl_obj_t *rotate_right(qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span>    qtreetbl_obj_t *x = obj-&gt;left;</div>
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span>    obj-&gt;left = x-&gt;right;</div>
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span>    x-&gt;right = obj;</div>
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span>    x-&gt;red = x-&gt;right-&gt;red;</div>
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span>    x-&gt;right-&gt;red = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span>    _q_treetbl_rotate_right_cnt++;</div>
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span>    <span class="keywordflow">return</span> x;</div>
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span>}</div>
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> </div>
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span><span class="keyword">static</span> qtreetbl_obj_t *move_red_left(qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span>    flip_color(obj);</div>
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span>    <span class="keywordflow">if</span> (is_red(obj-&gt;right-&gt;left)) {</div>
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span>        obj-&gt;right = rotate_right(obj-&gt;right);</div>
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span>        obj = rotate_left(obj);</div>
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span>        flip_color(obj);</div>
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span><span class="preprocessor">#ifdef LLRB234</span></div>
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span>        <span class="comment">// 2-3-4 exclusive</span></div>
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span>        <span class="keywordflow">if</span> (is_red(obj-&gt;right-&gt;right)) {</div>
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span>            obj-&gt;right = rotate_left(obj-&gt;right);</div>
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span>        }</div>
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span>    }</div>
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span>    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span>}</div>
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> </div>
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span><span class="keyword">static</span> qtreetbl_obj_t *move_red_right(qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span>    flip_color(obj);</div>
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span>    <span class="keywordflow">if</span> (is_red(obj-&gt;left-&gt;left)) {</div>
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span>        obj = rotate_right(obj);</div>
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span>        flip_color(obj);</div>
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span>    }</div>
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span>    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span>}</div>
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> </div>
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span><span class="keyword">static</span> qtreetbl_obj_t *find_min(qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span>        errno = ENOENT;</div>
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span>    }</div>
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span> </div>
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span>    <span class="keywordflow">for</span> (; obj-&gt;left != NULL; obj = obj-&gt;left);</div>
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span>    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span>}</div>
<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span> </div>
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span><span class="keyword">static</span> qtreetbl_obj_t *find_max(qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span>        errno = ENOENT;</div>
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span>    }</div>
<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> </div>
<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span>    <span class="keywordflow">for</span> (; obj-&gt;right != NULL; obj = obj-&gt;right);</div>
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span>    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span>}</div>
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> </div>
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span><span class="keyword">static</span> qtreetbl_obj_t *remove_min(qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span>    <span class="keywordflow">if</span> (obj-&gt;left == NULL) {</div>
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span>        <span class="comment">// 3-nodes are left-leaning, so this is a leaf.</span></div>
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span>        free(obj-&gt;name);</div>
<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span>        free(obj-&gt;data);</div>
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span>    }</div>
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span>    <span class="keywordflow">if</span> (!is_red(obj-&gt;left) &amp;&amp; !is_red(obj-&gt;left-&gt;left)) {</div>
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span>        obj = move_red_left(obj);</div>
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span>    }</div>
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"> 1115</span>    obj-&gt;left = remove_min(obj-&gt;left);</div>
<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span>    <span class="keywordflow">return</span> fix(obj);</div>
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span>}</div>
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span> </div>
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span><span class="keyword">static</span> qtreetbl_obj_t *fix(qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span>    <span class="comment">// rotate right red to left</span></div>
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span>    <span class="keywordflow">if</span> (is_red(obj-&gt;right)) {</div>
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span><span class="preprocessor">#ifdef LLRB234</span></div>
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span>        <span class="comment">// 2-3-4 exclusive</span></div>
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span>        <span class="keywordflow">if</span> (is_red(obj-&gt;right-&gt;left)) {</div>
<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span>            obj-&gt;right = rotate_right(obj-&gt;right);</div>
<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span>        }</div>
<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"> 1128</span>        obj = rotate_left(obj);</div>
<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span>    }</div>
<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span>    <span class="comment">// rotate left red-red to right</span></div>
<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span>    <span class="keywordflow">if</span> (is_red(obj-&gt;left) &amp;&amp; is_red(obj-&gt;left-&gt;left)) {</div>
<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span>        obj = rotate_right(obj);</div>
<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span>    }</div>
<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span><span class="preprocessor">#ifndef LLRB234</span></div>
<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span>    <span class="comment">// split 4-nodes (2-3 exclusive)</span></div>
<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span>    <span class="keywordflow">if</span> (is_red(obj-&gt;left) &amp;&amp; is_red(obj-&gt;right)) {</div>
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span>        flip_color(obj);</div>
<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span>    }</div>
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span>    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span>}</div>
<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> </div>
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span><span class="keyword">static</span> qtreetbl_obj_t *find_obj(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">void</span> *name,</div>
<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span>                                <span class="keywordtype">size_t</span> namesize) {</div>
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span>    <span class="keywordflow">if</span> (name == NULL || namesize == 0) {</div>
<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span>        errno = EINVAL;</div>
<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span>    }</div>
<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span> </div>
<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span>    qtreetbl_obj_t *obj;</div>
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span>    <span class="keywordflow">for</span> (obj = tbl-&gt;root; obj != NULL;) {</div>
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span>        <span class="keywordtype">int</span> cmp = tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span>        <span class="keywordflow">if</span> (cmp == 0) {</div>
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span>            <span class="keywordflow">return</span> obj;</div>
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span>        }</div>
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span>        obj = (cmp &lt; 0) ? obj-&gt;left : obj-&gt;right;</div>
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span>    }</div>
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span> </div>
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span>    errno = ENOENT;</div>
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span>    <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span>}</div>
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span> </div>
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span><span class="keyword">static</span> qtreetbl_obj_t *new_obj(<span class="keywordtype">bool</span> red, <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span>                               <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> datasize) {</div>
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span>    qtreetbl_obj_t *obj = (qtreetbl_obj_t *) calloc(1, <span class="keyword">sizeof</span>(qtreetbl_obj_t));</div>
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span>    <span class="keywordtype">void</span> *copyname = <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(name, namesize);</div>
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span>    <span class="keywordtype">void</span> *copydata = <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(data, datasize);</div>
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span> </div>
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span>    <span class="keywordflow">if</span> (obj == NULL || copyname == NULL) {</div>
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span>        errno = ENOMEM;</div>
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span>        free(obj);</div>
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span>        free(copyname);</div>
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span>        free(copydata);</div>
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span>    }</div>
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span> </div>
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span>    obj-&gt;red = red;</div>
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span>    obj-&gt;name = copyname;</div>
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span>    obj-&gt;namesize = namesize;</div>
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span>    obj-&gt;data = copydata;</div>
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span>    obj-&gt;datasize = datasize;</div>
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span> </div>
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span>    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span>}</div>
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span> </div>
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span><span class="keyword">static</span> qtreetbl_obj_t *put_obj(qtreetbl_t *tbl, qtreetbl_obj_t *obj,</div>
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span>                               <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span>                               <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> datasize) {</div>
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span>        tbl-&gt;num++;</div>
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span>        <span class="keywordflow">return</span> new_obj(<span class="keyword">true</span>, name, namesize, data, datasize);</div>
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span>    }</div>
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span> </div>
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span><span class="preprocessor">#ifdef LLRB234</span></div>
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span>    <span class="comment">// split 4-nodes on the way down (2-3-4 exclusive)</span></div>
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span>    <span class="keywordflow">if</span> (is_red(obj-&gt;left) &amp;&amp; is_red(obj-&gt;right)) {</div>
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span>        flip_color(obj);</div>
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span>    }</div>
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"> 1200</span> </div>
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span>    <span class="keywordtype">int</span> cmp = tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span>    <span class="keywordflow">if</span> (cmp == 0) {  <span class="comment">// existing key found</span></div>
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span>        <span class="keywordtype">void</span> *copydata = <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(data, datasize);</div>
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span>        <span class="keywordflow">if</span> (copydata != NULL) {</div>
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span>            free(obj-&gt;data);</div>
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span>            obj-&gt;data = copydata;</div>
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span>            obj-&gt;datasize = datasize;</div>
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span>        }</div>
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span>    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cmp &lt; 0) {</div>
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span>        obj-&gt;left = put_obj(tbl, obj-&gt;left, name, namesize, data, datasize);</div>
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span>        obj-&gt;right = put_obj(tbl, obj-&gt;right, name, namesize, data, datasize);</div>
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span>    }</div>
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span> </div>
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span>    <span class="comment">// fix right-leaning reds on the way up</span></div>
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span>    <span class="keywordflow">if</span> (is_red(obj-&gt;right) &amp;&amp; !is_red(obj-&gt;left)) {</div>
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span>        obj = rotate_left(obj);</div>
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span>    }</div>
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span> </div>
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span>    <span class="comment">// fix two reds in a row on the way up</span></div>
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span>    <span class="keywordflow">if</span> (is_red(obj-&gt;left) &amp;&amp; is_red(obj-&gt;left-&gt;left)) {</div>
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span>        obj = rotate_right(obj);</div>
<div class="line"><a id="l01223" name="l01223"></a><span class="lineno"> 1223</span>    }</div>
<div class="line"><a id="l01224" name="l01224"></a><span class="lineno"> 1224</span> </div>
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span><span class="preprocessor">#ifndef LLRB234</span></div>
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span>    <span class="comment">// split 4-nodes on the way up (2-3 exclusive)</span></div>
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span>    <span class="keywordflow">if</span> (is_red(obj-&gt;left) &amp;&amp; is_red(obj-&gt;right)) {</div>
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span>        flip_color(obj);</div>
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span>    }</div>
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span> </div>
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span>    <span class="comment">// return new root</span></div>
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span>    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span>}</div>
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span> </div>
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span><span class="keyword">static</span> qtreetbl_obj_t *remove_obj(qtreetbl_t *tbl, qtreetbl_obj_t *obj,</div>
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span>                                  <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize) {</div>
<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span>        errno = ENOENT;</div>
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span>        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span>    }</div>
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span> </div>
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span>    <span class="keywordtype">int</span> cmp = tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span>    <span class="keywordflow">if</span> (cmp &lt; 0) {</div>
<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span>        <span class="comment">// move red left</span></div>
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span>        <span class="keywordflow">if</span> (obj-&gt;left != NULL</div>
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span>            &amp;&amp; (!is_red(obj-&gt;left) &amp;&amp; !is_red(obj-&gt;left-&gt;left))) {</div>
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span>            obj = move_red_left(obj);</div>
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span>        }</div>
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span>        <span class="comment">// keep going down to the left</span></div>
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span>        obj-&gt;left = remove_obj(tbl, obj-&gt;left, name, namesize);</div>
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span>    } <span class="keywordflow">else</span> {  <span class="comment">// right or equal</span></div>
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span>        <span class="keywordtype">bool</span> recmp = <span class="keyword">false</span>;  <span class="comment">// optimization to reduce duplicated comparisions</span></div>
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span>        <span class="keywordflow">if</span> (is_red(obj-&gt;left)) {</div>
<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span>            obj = rotate_right(obj);</div>
<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span>            recmp = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span>        }</div>
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span>        <span class="comment">// remove if equal at the bottom</span></div>
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span>        <span class="keywordflow">if</span> (obj-&gt;right == NULL) {</div>
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span>            <span class="keywordflow">if</span> (recmp) {</div>
<div class="line"><a id="l01261" name="l01261"></a><span class="lineno"> 1261</span>                cmp = tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span>                recmp = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</span>            }</div>
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span>            <span class="keywordflow">if</span> (cmp == 0) {</div>
<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span>                free(obj-&gt;name);</div>
<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span>                free(obj-&gt;data);</div>
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span>                free(obj);</div>
<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span>                tbl-&gt;num--;</div>
<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span>                <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span>            }</div>
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span>        }</div>
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span>        <span class="comment">// move red right</span></div>
<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span>        <span class="keywordflow">if</span> (obj-&gt;right != NULL</div>
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span>            &amp;&amp; (!is_red(obj-&gt;right) &amp;&amp; !is_red(obj-&gt;right-&gt;left))) {</div>
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span>            obj = move_red_right(obj);</div>
<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span>            recmp = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"> 1277</span>        }</div>
<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span>        <span class="comment">// found in the middle</span></div>
<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span>        <span class="keywordflow">if</span> (recmp) {</div>
<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span>            cmp = tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"> 1281</span>        }</div>
<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"> 1282</span>        <span class="keywordflow">if</span> (cmp == 0) {</div>
<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"> 1283</span>            <span class="comment">// copy min to this then remove min</span></div>
<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span>            qtreetbl_obj_t *minobj = find_min(obj-&gt;right);</div>
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span>            assert(minobj != NULL);</div>
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span>            free(obj-&gt;name);</div>
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span>            free(obj-&gt;data);</div>
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span>            obj-&gt;name = <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(minobj-&gt;name, minobj-&gt;namesize);</div>
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span>            obj-&gt;namesize = minobj-&gt;namesize;</div>
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span>            obj-&gt;data = <a class="code hl_function" href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a>(minobj-&gt;data, minobj-&gt;datasize);</div>
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</span>            obj-&gt;datasize = minobj-&gt;datasize;</div>
<div class="line"><a id="l01292" name="l01292"></a><span class="lineno"> 1292</span>            obj-&gt;right = remove_min(obj-&gt;right);</div>
<div class="line"><a id="l01293" name="l01293"></a><span class="lineno"> 1293</span>            tbl-&gt;num--;</div>
<div class="line"><a id="l01294" name="l01294"></a><span class="lineno"> 1294</span>        } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l01295" name="l01295"></a><span class="lineno"> 1295</span>            <span class="comment">// keep going down to the right</span></div>
<div class="line"><a id="l01296" name="l01296"></a><span class="lineno"> 1296</span>            obj-&gt;right = remove_obj(tbl, obj-&gt;right, name, namesize);</div>
<div class="line"><a id="l01297" name="l01297"></a><span class="lineno"> 1297</span>        }</div>
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"> 1298</span>    }</div>
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span>    <span class="comment">// fix right-leaning red nodes on the way up</span></div>
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span>    <span class="keywordflow">return</span> fix(obj);</div>
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span>}</div>
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span> </div>
<div class="line"><a id="l01303" name="l01303"></a><span class="lineno"> 1303</span><span class="keyword">static</span> <span class="keywordtype">void</span> free_objs(qtreetbl_obj_t *obj) {</div>
<div class="line"><a id="l01304" name="l01304"></a><span class="lineno"> 1304</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</span>        <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"> 1306</span>    }</div>
<div class="line"><a id="l01307" name="l01307"></a><span class="lineno"> 1307</span> </div>
<div class="line"><a id="l01308" name="l01308"></a><span class="lineno"> 1308</span>    free_objs(obj-&gt;left);</div>
<div class="line"><a id="l01309" name="l01309"></a><span class="lineno"> 1309</span>    free_objs(obj-&gt;right);</div>
<div class="line"><a id="l01310" name="l01310"></a><span class="lineno"> 1310</span> </div>
<div class="line"><a id="l01311" name="l01311"></a><span class="lineno"> 1311</span>    free(obj-&gt;name);</div>
<div class="line"><a id="l01312" name="l01312"></a><span class="lineno"> 1312</span>    free(obj-&gt;data);</div>
<div class="line"><a id="l01313" name="l01313"></a><span class="lineno"> 1313</span>    free(obj);</div>
<div class="line"><a id="l01314" name="l01314"></a><span class="lineno"> 1314</span>}</div>
<div class="line"><a id="l01315" name="l01315"></a><span class="lineno"> 1315</span> </div>
<div class="line"><a id="l01316" name="l01316"></a><span class="lineno"> 1316</span><span class="keyword">static</span> uint8_t reset_iterator(qtreetbl_t *tbl) {</div>
<div class="line"><a id="l01317" name="l01317"></a><span class="lineno"> 1317</span>    <span class="keywordflow">if</span> (tbl-&gt;root != NULL) {</div>
<div class="line"><a id="l01318" name="l01318"></a><span class="lineno"> 1318</span>        tbl-&gt;root-&gt;next = NULL;</div>
<div class="line"><a id="l01319" name="l01319"></a><span class="lineno"> 1319</span>    }</div>
<div class="line"><a id="l01320" name="l01320"></a><span class="lineno"> 1320</span>    <span class="keywordflow">return</span> (++tbl-&gt;tid);</div>
<div class="line"><a id="l01321" name="l01321"></a><span class="lineno"> 1321</span>}</div>
<div class="line"><a id="l01322" name="l01322"></a><span class="lineno"> 1322</span> </div>
<div class="line"><a id="l01323" name="l01323"></a><span class="lineno"> 1323</span><span class="keyword">static</span> <span class="keywordtype">void</span> print_branch(<span class="keyword">struct</span> branch_obj_s *branch, FILE *out) {</div>
<div class="line"><a id="l01324" name="l01324"></a><span class="lineno"> 1324</span>    <span class="keywordflow">if</span> (branch == NULL) {</div>
<div class="line"><a id="l01325" name="l01325"></a><span class="lineno"> 1325</span>        <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l01326" name="l01326"></a><span class="lineno"> 1326</span>    }</div>
<div class="line"><a id="l01327" name="l01327"></a><span class="lineno"> 1327</span>    print_branch(branch-&gt;p, out);</div>
<div class="line"><a id="l01328" name="l01328"></a><span class="lineno"> 1328</span>    fprintf(out, <span class="stringliteral">&quot;%s&quot;</span>, branch-&gt;s);</div>
<div class="line"><a id="l01329" name="l01329"></a><span class="lineno"> 1329</span>}</div>
<div class="line"><a id="l01330" name="l01330"></a><span class="lineno"> 1330</span> </div>
<div class="line"><a id="l01331" name="l01331"></a><span class="lineno"> 1331</span><span class="keyword">static</span> <span class="keywordtype">void</span> print_node(qtreetbl_obj_t *obj, FILE *out, <span class="keyword">struct</span> branch_obj_s *prev,</div>
<div class="line"><a id="l01332" name="l01332"></a><span class="lineno"> 1332</span>                       <span class="keywordtype">bool</span> right) {</div>
<div class="line"><a id="l01333" name="l01333"></a><span class="lineno"> 1333</span>    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a id="l01334" name="l01334"></a><span class="lineno"> 1334</span>        <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l01335" name="l01335"></a><span class="lineno"> 1335</span>    }</div>
<div class="line"><a id="l01336" name="l01336"></a><span class="lineno"> 1336</span> </div>
<div class="line"><a id="l01337" name="l01337"></a><span class="lineno"> 1337</span>    <span class="keyword">struct </span>branch_obj_s branch;</div>
<div class="line"><a id="l01338" name="l01338"></a><span class="lineno"> 1338</span>    branch.p = prev;</div>
<div class="line"><a id="l01339" name="l01339"></a><span class="lineno"> 1339</span> </div>
<div class="line"><a id="l01340" name="l01340"></a><span class="lineno"> 1340</span>    branch.s = (prev != NULL) ? (right) ?  <span class="stringliteral">&quot;    &quot;</span> : <span class="stringliteral">&quot;│   &quot;</span> : <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a id="l01341" name="l01341"></a><span class="lineno"> 1341</span>    print_node(obj-&gt;right, out, &amp;branch, <span class="keyword">true</span>);</div>
<div class="line"><a id="l01342" name="l01342"></a><span class="lineno"> 1342</span> </div>
<div class="line"><a id="l01343" name="l01343"></a><span class="lineno"> 1343</span>    print_branch(prev, out);</div>
<div class="line"><a id="l01344" name="l01344"></a><span class="lineno"> 1344</span>    <span class="keywordflow">if</span> (prev != NULL) {</div>
<div class="line"><a id="l01345" name="l01345"></a><span class="lineno"> 1345</span>        fprintf(out, <span class="stringliteral">&quot;%s%s&quot;</span>, (right) ? <span class="stringliteral">&quot;┌──&quot;</span> : <span class="stringliteral">&quot;└──&quot;</span>, (obj-&gt;red) ? <span class="stringliteral">&quot;[&quot;</span> : <span class="stringliteral">&quot;─&quot;</span>);</div>
<div class="line"><a id="l01346" name="l01346"></a><span class="lineno"> 1346</span>    }</div>
<div class="line"><a id="l01347" name="l01347"></a><span class="lineno"> 1347</span>    <span class="keywordflow">if</span> (obj-&gt;data == NULL &amp;&amp; obj-&gt;namesize == <span class="keyword">sizeof</span>(uint32_t)) {</div>
<div class="line"><a id="l01348" name="l01348"></a><span class="lineno"> 1348</span>        fprintf(out, <span class="stringliteral">&quot;%u&quot;</span>, *(uint32_t *)obj-&gt;name);</div>
<div class="line"><a id="l01349" name="l01349"></a><span class="lineno"> 1349</span>    } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l01350" name="l01350"></a><span class="lineno"> 1350</span>        _q_textout(out, obj-&gt;name, obj-&gt;namesize, 15);</div>
<div class="line"><a id="l01351" name="l01351"></a><span class="lineno"> 1351</span>    }</div>
<div class="line"><a id="l01352" name="l01352"></a><span class="lineno"> 1352</span>    fprintf(out, <span class="stringliteral">&quot;%s&quot;</span>, (obj-&gt;red) ? <span class="stringliteral">&quot;]\n&quot;</span> : <span class="stringliteral">&quot;\n&quot;</span>);</div>
<div class="line"><a id="l01353" name="l01353"></a><span class="lineno"> 1353</span> </div>
<div class="line"><a id="l01354" name="l01354"></a><span class="lineno"> 1354</span>    branch.s = (prev != NULL) ? (right) ? <span class="stringliteral">&quot;│   &quot;</span> : <span class="stringliteral">&quot;    &quot;</span> : <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a id="l01355" name="l01355"></a><span class="lineno"> 1355</span>    print_node(obj-&gt;left, out, &amp;branch, <span class="keyword">false</span>);</div>
<div class="line"><a id="l01356" name="l01356"></a><span class="lineno"> 1356</span>}</div>
<div class="line"><a id="l01357" name="l01357"></a><span class="lineno"> 1357</span> </div>
<div class="line"><a id="l01358" name="l01358"></a><span class="lineno"> 1358</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="aqstring_8c_html_aa27b0a87aa68e3ee318e3280a5f9d9d5"><div class="ttname"><a href="qstring_8c.html#aa27b0a87aa68e3ee318e3280a5f9d9d5">qmemdup</a></div><div class="ttdeci">void * qmemdup(const void *data, size_t size)</div><div class="ttdoc">Duplicate a copy of memory data.</div><div class="ttdef"><b>Definition</b> <a href="qstring_8c_source.html#l00413">qstring.c:413</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a0a5c039995463a94bb7066190a6653e1"><div class="ttname"><a href="qtreetbl_8c.html#a0a5c039995463a94bb7066190a6653e1">qtreetbl</a></div><div class="ttdeci">qtreetbl_t * qtreetbl(int options)</div><div class="ttdoc">Initialize a tree table.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00182">qtreetbl.c:182</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a106198f0800d8892e404e0020da0d685"><div class="ttname"><a href="qtreetbl_8c.html#a106198f0800d8892e404e0020da0d685">qtreetbl_get</a></div><div class="ttdeci">void * qtreetbl_get(qtreetbl_t *tbl, const char *name, size_t *datasize, bool newmem)</div><div class="ttdoc">qtreetbl-&gt;get(): Get an object from this table.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00392">qtreetbl.c:392</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a27db959def75174ccdab3fd073e8b8fc"><div class="ttname"><a href="qtreetbl_8c.html#a27db959def75174ccdab3fd073e8b8fc">node_check_root</a></div><div class="ttdeci">int node_check_root(qtreetbl_t *tbl)</div><div class="ttdoc">Verifies that root property of the red-black tree is satisfied.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00890">qtreetbl.c:890</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a2bac240b706b85273338a26fb986eee7"><div class="ttname"><a href="qtreetbl_8c.html#a2bac240b706b85273338a26fb986eee7">qtreetbl_free</a></div><div class="ttdeci">void qtreetbl_free(qtreetbl_t *tbl)</div><div class="ttdoc">qtreetbl-&gt;free(): De-allocate the table.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00827">qtreetbl.c:827</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a31e5908f6885033a58e354928e489b83"><div class="ttname"><a href="qtreetbl_8c.html#a31e5908f6885033a58e354928e489b83">qtreetbl_putstr</a></div><div class="ttdeci">bool qtreetbl_putstr(qtreetbl_t *tbl, const char *name, const char *str)</div><div class="ttdoc">qtreetbl-&gt;putstr(): Put a string into this table.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00287">qtreetbl.c:287</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a3354408a36cb5d6fd724727dda04d1f3"><div class="ttname"><a href="qtreetbl_8c.html#a3354408a36cb5d6fd724727dda04d1f3">qtreetbl_remove</a></div><div class="ttdeci">bool qtreetbl_remove(qtreetbl_t *tbl, const char *name)</div><div class="ttdoc">qtreetbl-&gt;remove(): Remove an object from this table.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00474">qtreetbl.c:474</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a3537212a86616d50459eec229d94f8e4"><div class="ttname"><a href="qtreetbl_8c.html#a3537212a86616d50459eec229d94f8e4">qtreetbl_size</a></div><div class="ttdeci">size_t qtreetbl_size(qtreetbl_t *tbl)</div><div class="ttdoc">qtreetbl-&gt;size(): Returns the number of keys in the table.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00775">qtreetbl.c:775</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a49e05111c8541c7155e352fb618cf170"><div class="ttname"><a href="qtreetbl_8c.html#a49e05111c8541c7155e352fb618cf170">qtreetbl_put</a></div><div class="ttdeci">bool qtreetbl_put(qtreetbl_t *tbl, const char *name, const void *data, size_t datasize)</div><div class="ttdoc">qtreetbl-&gt;put(): Put an object into this table with string type key.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00269">qtreetbl.c:269</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a590374e22090d003406210704b1c91d4"><div class="ttname"><a href="qtreetbl_8c.html#a590374e22090d003406210704b1c91d4">qtreetbl_find_max</a></div><div class="ttdeci">void * qtreetbl_find_max(qtreetbl_t *tbl, size_t *namesize)</div><div class="ttdoc">qtreetbl-&gt;find_max(): Find the name of the rightmost object.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00662">qtreetbl.c:662</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a5c8aa458bac0dc5e7dc0ab97c6f52dfd"><div class="ttname"><a href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a></div><div class="ttdeci">void qtreetbl_lock(qtreetbl_t *tbl)</div><div class="ttdoc">qtreetbl-&gt;lock(): Enter critical section.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00805">qtreetbl.c:805</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a663dfe23addb8debd1c3da5e54d2c930"><div class="ttname"><a href="qtreetbl_8c.html#a663dfe23addb8debd1c3da5e54d2c930">qtreetbl_debug</a></div><div class="ttdeci">bool qtreetbl_debug(qtreetbl_t *tbl, FILE *out)</div><div class="ttdoc">qtreetbl-&gt;debug(): Print the internal tree structure in text.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00871">qtreetbl.c:871</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a74b90269930ae1607271c187514ac5e5"><div class="ttname"><a href="qtreetbl_8c.html#a74b90269930ae1607271c187514ac5e5">qtreetbl_putobj</a></div><div class="ttdeci">bool qtreetbl_putobj(qtreetbl_t *tbl, const void *name, size_t namesize, const void *data, size_t datasize)</div><div class="ttdoc">qtreetbl-&gt;putobj(): Put an object data into this table with an object key.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00336">qtreetbl.c:336</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a756340d5313f0ecf604c35326b3b6a5f"><div class="ttname"><a href="qtreetbl_8c.html#a756340d5313f0ecf604c35326b3b6a5f">qtreetbl_getobj</a></div><div class="ttdeci">void * qtreetbl_getobj(qtreetbl_t *tbl, const void *name, size_t namesize, size_t *datasize, bool newmem)</div><div class="ttdoc">qtreetbl-&gt;getobj(): Get an object from this table with an object name.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00443">qtreetbl.c:443</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a7b324cf9e317a2623c5767b8a0183f72"><div class="ttname"><a href="qtreetbl_8c.html#a7b324cf9e317a2623c5767b8a0183f72">qtreetbl_clear</a></div><div class="ttdeci">void qtreetbl_clear(qtreetbl_t *tbl)</div><div class="ttdoc">qtreetbl-&gt;clear(): Clears the table so that it contains no keys.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00784">qtreetbl.c:784</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a80185e2ca955ce2ccbdb43065110df4c"><div class="ttname"><a href="qtreetbl_8c.html#a80185e2ca955ce2ccbdb43065110df4c">qtreetbl_getstr</a></div><div class="ttdeci">char * qtreetbl_getstr(qtreetbl_t *tbl, const char *name, const bool newmem)</div><div class="ttdoc">qtreetbl-&gt;getstr(): Finds an object and returns it as string type.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00417">qtreetbl.c:417</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a88a8e67f478390c6b25780fda3134a8d"><div class="ttname"><a href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a></div><div class="ttdeci">void qtreetbl_unlock(qtreetbl_t *tbl)</div><div class="ttdoc">qtreetbl-&gt;unlock(): Leave critical section.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00818">qtreetbl.c:818</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_a9d9d33c61cc0c7e3312c10504d628e98"><div class="ttname"><a href="qtreetbl_8c.html#a9d9d33c61cc0c7e3312c10504d628e98">node_check_llrb</a></div><div class="ttdeci">int node_check_llrb(qtreetbl_t *tbl, qtreetbl_obj_t *obj)</div><div class="ttdoc">Verifies that LLRB property of the left-leaning red-black tree is satisfied.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00971">qtreetbl.c:971</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_aa2c4f3ac4623feb251fadabbdf734bdd"><div class="ttname"><a href="qtreetbl_8c.html#aa2c4f3ac4623feb251fadabbdf734bdd">qtreetbl_find_nearest</a></div><div class="ttdeci">qtreetbl_obj_t qtreetbl_find_nearest(qtreetbl_t *tbl, const void *name, size_t namesize, bool newmem)</div><div class="ttdoc">qtreetbl-&gt;find_nearest(): Find an object with matching key or nearest.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00711">qtreetbl.c:711</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_aa727bb7c8a149d2b924d586594836d86"><div class="ttname"><a href="qtreetbl_8c.html#aa727bb7c8a149d2b924d586594836d86">node_check_black</a></div><div class="ttdeci">int node_check_black(qtreetbl_t *tbl, qtreetbl_obj_t *obj, int *path_len)</div><div class="ttdoc">Verifies that black property of the red-black tree is satisfied.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00940">qtreetbl.c:940</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_ab53aff8d2c853903ecd90ff83eba2056"><div class="ttname"><a href="qtreetbl_8c.html#ab53aff8d2c853903ecd90ff83eba2056">qtreetbl_check</a></div><div class="ttdeci">int qtreetbl_check(qtreetbl_t *tbl)</div><div class="ttdoc">Verifies that the invariants of the red-black tree are satisfied.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l01001">qtreetbl.c:1001</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_ac12b7b164b262053427eac34a2d1cbbc"><div class="ttname"><a href="qtreetbl_8c.html#ac12b7b164b262053427eac34a2d1cbbc">qtreetbl_find_min</a></div><div class="ttdeci">void * qtreetbl_find_min(qtreetbl_t *tbl, size_t *namesize)</div><div class="ttdoc">qtreetbl-&gt;find_min(): Find the name of the leftmost object.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00634">qtreetbl.c:634</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_ac475383244c35814d0950f0fa0c6414e"><div class="ttname"><a href="qtreetbl_8c.html#ac475383244c35814d0950f0fa0c6414e">qtreetbl_putstrf</a></div><div class="ttdeci">bool qtreetbl_putstrf(qtreetbl_t *tbl, const char *name, const char *format,...)</div><div class="ttdoc">qtreetbl-&gt;putstrf(): Put a formatted string into this table.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00305">qtreetbl.c:305</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_acca3f6925989955eec665c5c9aa11ed2"><div class="ttname"><a href="qtreetbl_8c.html#acca3f6925989955eec665c5c9aa11ed2">node_check_red</a></div><div class="ttdeci">int node_check_red(qtreetbl_t *tbl, qtreetbl_obj_t *obj)</div><div class="ttdoc">Verifies that red property of the red-black tree is satisfied.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00909">qtreetbl.c:909</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_ad3284afb03b64b8242687e33b87aaf0e"><div class="ttname"><a href="qtreetbl_8c.html#ad3284afb03b64b8242687e33b87aaf0e">qtreetbl_removeobj</a></div><div class="ttdeci">bool qtreetbl_removeobj(qtreetbl_t *tbl, const void *name, size_t namesize)</div><div class="ttdoc">qtreetbl-&gt;remove(): Remove an object from this table with an object name.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00491">qtreetbl.c:491</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_aeb32bf5a193a0b7276cff302d3fcd090"><div class="ttname"><a href="qtreetbl_8c.html#aeb32bf5a193a0b7276cff302d3fcd090">qtreetbl_getnext</a></div><div class="ttdeci">bool qtreetbl_getnext(qtreetbl_t *tbl, qtreetbl_obj_t *obj, const bool newmem)</div><div class="ttdoc">qtreetbl-&gt;getnext(): Get next element.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00580">qtreetbl.c:580</a></div></div>
<div class="ttc" id="aqtreetbl_8c_html_af9e239f384bd9939c34361a45dd496a6"><div class="ttname"><a href="qtreetbl_8c.html#af9e239f384bd9939c34361a45dd496a6">qtreetbl_set_compare</a></div><div class="ttdeci">void qtreetbl_set_compare(qtreetbl_t *tbl, int(*cmp)(const void *name1, size_t namesize1, const void *name2, size_t namesize2))</div><div class="ttdoc">qtreetbl-&gt;set_compare(): Set user comparator.</div><div class="ttdef"><b>Definition</b> <a href="qtreetbl_8c_source.html#l00250">qtreetbl.c:250</a></div></div>
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